package util;

public class Util {

	/**
	 * check String param is Null or Empty
	 * 
	 * @param str String to check
	 * @return True If str is Null or Empty.
	 * @return False If str is not Null or not Empty.
	 */
	
	public static boolean isEmpty(String str) {
		return str == null || str.trim().length()==0;
	}
}
